Finding the Fourth Proportional to 2,215,116, 3,056,861.31 and 1,196,520.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,116 : 3,056,861.31 = 1,196,520.76 : x
2. Step 2: Convert to fraction form
   2,215,116/3,056,861.31 = 1,196,520.76/x
3. Step 3: Cross multiply
   2,215,116x = 3,056,861.31 × 1,196,520.76
4. Step 4: Simplify right side
   2,215,116x = 3,657,598,017,855.80
5. Step 5: Solve for x
   x = 3,657,598,017,855.80/2,215,116
6. Step 6: Final answer
   x = 1,651,199.31